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Wyniki wyszukiwania dla: EMPIRICAL POTENTIALS
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Nutritional and Health Potential of Probiotics: A Review
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Potential allosteric modulators of the proteasome activity
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Exploring the cocrystallization potential of urea and benzamide
PublikacjaThe cocrystallization landscape of benzamide and urea interacting with aliphatic and aromatic carboxylic acids was studied both experimentally and theoretically. Ten new cocrystals of benzamide were synthesized using an oriented samples approach via a fast dropped evaporation technique. Information about types of known bi-component cocrystals augmented with knowledge of simple binary eutectic mixtures was used for the analysis...
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Zapotin, a Polymethoxyflavone, with Potential Therapeutic Attributes
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Eigenchannel method in quantum potential scattering.
PublikacjaUogólniono metodę fal cząstkowych na przypadek kwantowego rozpraszania na dowolnym potencjale krótkozasięgowym. Zaprezentowano formalizm ogólny oraz jego zastosowania do cząstek Schrodingera i Duraca.
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Antiglioma Potential of Coumarins Combined with Sorafenib
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Phospholipids as potential prevention factor in carcinogenesis
PublikacjaPhospholipids are a group of complex lipids, which can be used in cancer chemoprevention. Glicerophospholipids are composed of fatty acids esterified to a glycerol backbone, a phosphate group and a hydrophilic residue such as: cho- line, ethanoloamine, serine or inositol. In the sn-2 position of glicerophospholipid usually there are unsaturated fatty acids, i.e. linolenic acid, while in the sn-1 position more typi- cal are saturated...
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Cuticular lipids of insects as potential biofungicides
PublikacjaThe term ''lipids'' refers to fatty acids, their derivatives and substances related with them biochemically or by the functions in the body. Lipids include compounds with different chemical structure. There are lipids with structures based on long-chain carboxylic acids and their direct derivatives, namely: fatty acids, alkanes, some alkenes, aldehydes and long chain alcohols and their derivatives (esters). The variety of lipid...
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Therapeutic potential of adenosine analogues and conjugates
PublikacjaZaprezentowano przegląd literatury chemicznej na temat analogów i koniugatów adenozyny oraz ich potencjalne zastosowanie terapeutyczne. Zwrócono także uwagę na ich oddziaływanie z receptorami adenozyny.
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Hydraulic potential of the Lower Vistula (Poland)
PublikacjaThe Vistula is the largest river in Poland. Lower Vistula (part of the river discussed in this paper) is almost four hundred kilometers long river section extending from the tributary Narew to the outflow to the Baltic Sea. In the 17th century the Vistula was the most navigable river in Europe. After partitioning of Poland the Vistula lost its significance. Now the Lower Vistula should provide a navigation connection to the Europe...
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Determination of terpene profiles in potential superfruits
PublikacjaThe aim of this work was to characterize and compare the profiles of volatile terpenes in four potential superfruits. These profiles were determined using headspace solid-phase microextraction coupled with comprehensive two-dimensional gas chromatography linked to time-of-flight mass spectrometry. The proposed technique allowed the separation and identification of 79 terpenes present in cape gooseberry, crabapple, cherry silver...
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Therapeutic Potential of Multifunctional Tacrine Analogues
PublikacjaTacrine is a potent inhibitor of cholinesterases (acetylcholinesterase and butyrylcholinesterase) that shows limiting clinical application by liver toxicity. In spite of this, analogues of tacrine are considered as a model inhibitor of cholinesterases in the therapy of Alzheimer’s disease. The interest in these compounds is mainly related to a high variety of their structure and biological properties. In the present review, we...
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CENTRAL-FORCE DECOMPOSITION OF THE TERSOFF POTENTIAL
PublikacjaCentral forces play important role in the analysis of results obtained with particle simulation methods, since they allow evaluating stress fields. In this work we derive expressions for a central-force decompositon of the Tersoff potential, which is often used to describe interatomic interactions in covalently bonded materials. We simplify the obtained expressions and discuss their properties.
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The potential of urban agriculture in the revitalisation of a metropolis
PublikacjaIn Poland, the topic addressing urban areas of agricultural production and gardening activity is still viewed in two main blocks: 1) a shift of the urbanized zone’s boundaries, causing dispersion of suburban buildings as well as creates conflict zone between the residential area and the production and post-production zones; 2) a socially contentious issue of restructuring the inner-city complexes of former employee allotments....
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A method for optimizing potential-energy functions by a hierarchical design of the potential-energy landscape: Application to the UNRES force field
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Validation study on a new semi-empirical method for the prediction of added resistance in waves of arbitrary heading in analyzing ship speed trial results
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Validation study on a new semi-empirical method for the prediction of added resistance in waves of arbitrary heading in analyzing ship speed trial results
PublikacjaThis paper describes an open and extensive validation study carried out by the Specialist Committee on Ships in Operation at Sea (SOS) of the International Towing Tank Conference (ITTC) on the newly developed SHOPERA-NTUA-NTU-MARIC (SNNM) wave-added resistance prediction method. The SNNM method aims at a simple, fast and transparent determination of the added resistance in regular waves of arbitrary encounter directions, even when...
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Eigenchannel method for nonrelativistic scattering from zero-range potentials.
PublikacjaPrzedstawiono sformułowanie metody kanałów własnych dla rozpraszania cząstek Schrodingera na układzie potencjałów zerowego promienia. Jako przykład, rozważono rozpraszanie fali płaskiej na czterech identycznych potencjałach, tworzących strukturę o symetrii tetraedrycznej.
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Development of visual evoked potentials detection algorithm for objective perimetry
PublikacjaOpisano nową propozycję algorytmu detekcji potencjałów wzrokowych w zapisie EEG. Nowy algorytm bazuje na dekompozycji statystycznej ICA. Algorytm wstępnie przetestowano na danych eksperymentalnych.
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Zero-range potentials in multi-channel diatomic molecule scattering
PublikacjaZagadnienie o rozpraszaniu elektronów na molekułach rozwiązuje się w sposób jawny w modelu potencjałów o zerowym promieniu. Uwzględniając stany wzbudzone wprowadzamy potencjał macierzowy. Dla przykładu e+H_2 porównujemy wyniki obliczeń przekrojów czynnych z innymi (ab initio) oraz z doświadczeniem.
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Generalized Zero Range Potentials and Multichannel Electron Molecule Scattering.
PublikacjaZagadnienie o rozpraszaniu elektronów na molekułach rozwiązuje się w sposób jawny w modelu potencjałów o zerowym promieniu. Uwzględniając stany wzbudzone wprowadzamy potencjał macierzowy. Dla przykładu stanów wibracyjnych e+H_2 porównujemy wyniki obliczeń przekrojów czynnych z innymi (ab initio) oraz z doświadczeniem.
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STEADY STATE VISUALLY EVOKED POTENTIALS FOR BRAIN COMPUTER INTERFACE
PublikacjaAn experiment conducted to validate a possibility of use a single active electrode EEG device for detecting Steady State Visually Evoked Potentials (SSVEP) is shown. A LED stimulator was applied to stimulate patients with two different frequencies - 13 Hz and 17 Hz. First, EEG signals were recorded and pre-processed using MATLAB software. In the next step recordings were analysed and classified employing the WEKA software. As indicated...
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The adiabatic potentials of low-lying electronic states of the NaRb molecule
PublikacjaAdiabatic potential energy curves and spectroscopic constants have been calculated for the NaRb molecule. The results of ten states of the symmetry Σ+, six states of the symmetry Π, and two states of the symmetry Δ are obtained by the nonrelativistic quantum chemical method used with pseudopotentials describing the interaction of valence electrons with atomic cores. Analysis is based on a comparison with the results of other theoretical...
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Zero-range potentials for Dirac particles: Bound-state problems
PublikacjaA model in which a massive Dirac particle in $\mathbb{R}^{3}$ is bound by $N\geqslant1$ spatially distributed zero-range potentials is presented. Interactions between the particle and the potentials are modeled by subjecting a particle's bispinor wave function to certain limiting conditions at the potential centers. Each of these conditions is parametrized by a $2\times2$ Hermitian matrix (or, equivalently, a real scalar and a...
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Detecting evoked potentials with SVD and ICA BASED statistical models
PublikacjaDokonano porównania rezultatów detekcji potencjałów wywołanych przy zastosowaniu metod statystycznych SVD i ICA. Jako dane wejściowe użyto dane wynikowe addytywnego modelu aktywności elektrycznej mózgu.
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Phonon mode potential and its contribution to anharmonism
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In vitro screening of 65 mycotoxins for insecticidal potential
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Automatic cuts for magnetic scalar potential formulations
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Symmetrical women have higher potential fertility
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Potential applicability of ontologies for the evaluation of information technology
PublikacjaIn this article we present the possibilities of using ontologies as a part of a multi-agent system (MAS) designed for the evaluation of information technologies. This is a part of a broader idea devel-oped by the team of researchers at Gdańsk University of Technology. The article deals with defining ontologies, presenting main technologies for their design and implementation and proposes, initially, domains of the ontologies' interest...
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Sanguiins—Promising Molecules with Broad Biological Potential
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Adiabatic potential energy surfaces of the vinoxy radical
PublikacjaZostały obliczone powierzchnie energetyczne stanu podstawowego i dwóch najniższych stanów wzbudzonych.
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Potential changes in an electric field and electrolytic corrosion.
PublikacjaSources have been described of corrosively hazardous electric fields and methods of determination of the corrosion hazard to metal structures caused by electrolytic corrosion. Results of potential and impedance investigations in the field of stray currents flowing out of a tram traction and in the presence of a defined electric field of low frequency have been presented. Uncertainties have been indicated relating to the generally...
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The potential and actual biomass resources in authority of Wejherowo
PublikacjaPrzedstawiono charakterystykę biomasy pod kątem jej potencjalnego energetycznego wykorzystania jako proekologiczne źródło energii odnawialnej. Rozważania przeprowadzono na konkretnym przykładzie, typowego dla Polski Północnej powiatu Wejherowskiego. Analizę danych, uzyskane wyniki i wnioski końcowe można z powodzeniem odnieść i wykorzystać do rozwiązania problemów energetycznych w dowolnym rolniczym powiecie, gminie lub małym mieście.
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Comparision of Methods for Determination of Potential Evapotransportation (PET)
PublikacjaPotencjalna ewapotranspiracja (PET) jest traktowana jako indeks maksymalnej, możliwej ewapotranspiracji i jest wielkością często używaną w modelach hydrologicznych. W pracy porównano 4 modele obliczania PET: Konstantinowa, Turca, Thorntkwaita i Penmana. Są to metody o różnym stopniu dokładności. Przykładowe obliczenia przeprowadzono dla pomiarów ze stacji Bielnik, leżącej w pobliżu Gdańska.
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mTOR Signaling and Potential Therapeutic Targeting in Meningioma
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New potential functions for greedy independence and coloring
PublikacjaA potential function $f_G$ of a finite, simple and undirected graph $G=(V,E)$ is an arbitrary function $f_G : V(G) \rightarrow \mathbb{N}_0$ that assigns a nonnegative integer to every vertex of a graph $G$. In this paper we define the iterative process of computing the step potential function $q_G$ such that $q_G(v)\leq d_G(v)$ for all $v\in V(G)$. We use this function in the development of new Caro-Wei-type and Brooks-type...
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Antioxidants as a Potential Preventive and Therapeutic Strategy for Cadmium
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Antithrombotic Potential of Tormentil Extract in Animal Models
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The potential anti-tumor activity of neoteric solvents
PublikacjaCiecze jonowe stały się obiektem zainteresowania naukowców. Znajdują one coraz to szersze zastosowanie. Dlatego też ważne jest określenie ich właściwości Eko-toksycznych. Aktywność anty-nowotworowa i cytotoksyczna cieczy jonowych stała się zatem ważnym aspektem badań. Artykuł podsumowuje najnowsze wyniki badań nad cytotoksycznością tych rozpuszczalników
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Essential oils as potential anti-staphylococcal agents
PublikacjaAntibiotic therapy of staphylococcal mastitis is characterized by significantly lower cure rates compared to infections caused by other microorganisms. Thus, it is necessary to search for new, alternative, non-antibiotic agents that are effective in the eradication of these bacteria. The aim of our research was to investigate the antimicrobial, especially anti-staphylococcal potential of a large collection (n=36) of essential oils...
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Potential Methods of Electrochromic Materials Quality Assessment
PublikacjaPublikacja zawiera potencjalne metody oceny jakości prototypowych maateriałów wykonanych z warstw elektrochromowych. Warstwy te mogą zostać ocenione za pomocą anlizy sygnałów elektrycznych jak również metodami przetwarzania obrazów.
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Advanced Potential Energy Surfaces for Molecular Simulation
PublikacjaAdvanced potential energy surfaces are defined as theoretical models that explicitly include many-body effects that transcend the standard fixed-charge, pairwise-additive paradigm typically used in molecular simulation. However, several factors relating to their software implementation have precluded their widespread use in condensed-phase simulations: the computational cost of the theoretical models, a paucity of approximate models...
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Therapeutic Potential of Multifunctional Derivatives of Cholinesterase Inhibitors
PublikacjaThe aim of this work is review of tacrine analogues from the last three years, which were not included in the latest review work, donepezil and galantamine hybrids from 2015 and rivastigmine derivatives from 2014. In this account we summarize the efforts toward the development and characterization of non-toxic inhibitors of cholinesterases based on mentioned drugs with various interesting additional properties such as antioxidant,...
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Alcohol Potentiates Orthostatic Hypotension
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Antimicrobial activity of Potentilla species
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Scattering of Dirac particles from nonlocal separable potentials: The eigenchannel approach
PublikacjaZastosowano nowe sformułowanie metody kanałów własnych [R. Szmytkowski, Ann. Phys. (N.Y.) 311, 503 (2004)] w rozpraszaniu cząstek Diraca na nielokalnych potencjałach separowalnych.
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Zero-range potentials for Direc particles: scattering and related continuum problems
PublikacjaW pracy przedstawiono rozszerzenie metody potencjałów zerowego promienia, szeroko wykorzystywanej w nierelatywistycznej mechanice , na przypadek cząstek Diraca. Nacisk położono na zagadnienie rozproszeniowe, do analizy którego zastosowano metodę kanałów własnych.
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Solution of coupled integral equations for quantum scattering in the presence of complex potentials
PublikacjaIn this paper, we present a method to compute solutions of coupled integral equations for quantum scattering problems in the presence of a complex potential. We show how the elastic and absorption cross sections can be obtained from the numerical solution of these equations in the asymptotic region at large radial distances.
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Serum YKL-40 as a potential biomarker of inflammation in psoriasis
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